Quote:
Originally Posted by Arka
Why did GM add more security on 2017 ? They don't want us to use the E85 fuel dispite the fact that the tables are already in the ECU.
|
More security = less warranty claims. GM used to lose a substantial amount of money due to engines blown up by tuners/tuning/customer abuse. I'm pretty sure the statute of limitations is up on this by now, so I think I can share a story. GM paid for 3 brand new LS1's for a friend's car. This was 17 years ago at this point. We street raced that bitch all over and made a ton of money with that car. It had a cai, headers, and nitrous. We sprayed it hard enough to run 10.60's. Think over 200hp! This was FAST at the time. Most heads/cam LS1's were in the 12's back then due to an undeveloped aftermarket.
Most OEM's don't use flex fuel on boosted applications. I know for a fact that running E85 with a good tune up on an ATS will exceed the max torque rating of the 6L45 trans, and I'm pretty sure that it also exceeds the max torque rating of the M6 3150 in the ATS as well. Also, boosted applications need a DIALED IN tune. Meaning, that tune has to be spot on due to the very wide quality of "E85" fuels out there. E85 can be very beneficial, but it is not for n00bs. The amount of ethanol and the actual "E" rating can vary. Just because the pump says "E85" doesn't mean that's what you're getting. Many factors come into play such as the quality of the fuel, how long it's been stored at the station, and the current ambient temperature. We have tested pump E85 fuels down to E45! You'll NEVER get true E85 in the winter, as it needs to be blended with more gasohol so it doesn't absorb too much ambient water. Should I keep going? Or have I
you already?
I've always said you need a GOOD tune. I stand by that, doubly so when it comes to running E-fuels. I have yet to see any tuner with a comprehensive E-fuel tune, and don't expect to see one ever, as it would require an OEM only amount of dev time.